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Finding the Fourth Proportional to 473,188.40, 709,782.60 and 286,564.40

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Solution

The fourth proportional to 473,188.40, 709,782.60 and 286,564.40 is: 429,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,188.40 : 709,782.60 = 286,564.40 : x
  2. Step 2: Convert to fraction form
    473,188.40/709,782.60 = 286,564.40/x
  3. Step 3: Cross multiply
    473,188.40x = 709,782.60 × 286,564.40
  4. Step 4: Simplify right side
    473,188.40x = 203,398,424,899.44
  5. Step 5: Solve for x
    x = 203,398,424,899.44/473,188.40
  6. Step 6: Final answer
    x = 429,846.60

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